mp4box/Supplements.cs

   1 // ------------------------------------------------------------------
   2 // Copyright (C) 2011-2014 Maruko Toolbox Project
   3 //
   4 //  Authors: LunarShaddow <aflyhorse@hotmail.com>
   5 //
   6 // Licensed under the Apache License, Version 2.0 (the "License");
   7 // you may not use this file except in compliance with the License.
   8 // You may obtain a copy of the License at
   9 //
  10 //      http://www.apache.org/licenses/LICENSE-2.0
  11 //
  12 // Unless required by applicable law or agreed to in writing, software
  13 // distributed under the License is distributed on an "AS IS" BASIS,
  14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  15 // express or implied.
  16 // See the License for the specific language governing permissions
  17 // and limitations under the License.
  18 // -------------------------------------------------------------------
  19 //
  20
  21 using System;
  22 using System.Collections.Generic;
  23 using System.ComponentModel;
  24 using System.Drawing;
  25 using System.Windows.Forms;
  26 using System.Text;
  27
  28 namespace mp4box
  29 {
  30     namespace Extension
  31     {
  32         /// <summary>
  33         /// A wrapper to make Invoke more easy by using Method Extension.
  34         /// </summary>
  35         static class Invoker
  36         {
  37             public static void InvokeIfRequired(this ISynchronizeInvoke control, MethodInvoker action)
  38             {
  39                 if (control.InvokeRequired)
  40                     control.Invoke(action, null);
  41                 else
  42                     action();
  43             }
  44         }
  45
  46         /// <summary>
  47         /// Handmade progress bar. Currently not in use.
  48         /// </summary>
  49         class ProgressBarEx : ProgressBar
  50         {
  51             public ProgressBarEx()
  52             {
  53                 // Modify the ControlStyles flags
  54                 //http://msdn.microsoft.com/en-us/library/system.windows.forms.controlstyles.aspx
  55                 SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint, true);
  56                 // Initialize Property
  57                 CustomText = "";
  58                 Format = new StringFormat(StringFormatFlags.NoWrap);
  59                 Format.Alignment = StringAlignment.Center;
  60                 Format.LineAlignment = StringAlignment.Center;
  61             }
  62
  63             public String CustomText { get; set; }
  64
  65             private StringFormat Format { get; set; }
  66
  67             protected override void OnPaint(PaintEventArgs e)
  68             {
  69                 // let the system do base work first
  70                 base.OnPaint(e);
  71                 // grab some tools
  72                 var rect = ClientRectangle;
  73                 var g = e.Graphics;
  74                 // draw the background
  75                 ProgressBarRenderer.DrawHorizontalBar(g, rect);
  76                 rect.Inflate(-3, -3);
  77                 // then chunk
  78                 if (Value > 0)
  79                 {
  80                     Rectangle clip = new Rectangle(rect.X, rect.Y, Value * rect.Width / Maximum, rect.Height);
  81                     ProgressBarRenderer.DrawHorizontalChunks(g, clip);
  82                 }
  83                 // append text
  84                 g.DrawString(CustomText, SystemFonts.DefaultFont, SystemBrushes.ControlText,
  85                     this.DisplayRectangle, Format);
  86             }
  87         }
  88     }
  89 }